A explosive used by armature anarchists, usually as a diversion or offensive attack. made by filling a 3/4 inch by 6 inch pipe with gun powder and tightly securing both caps on the ends. then a fire cracker fuse is inserted into a 1/16 inch hole in the side of the pipe(this has to be driled before
gun powder is inserted.)and secured with melted candle wax.
LOUD AS HELL can also cause plenty of shrapnel and makes awesome craters in earth sand etc.

The Urban Dictionary T-Shirt

This (noun) is a pipebomb. A phrase used to describe something in various ways. It can be used to describe both positive and negative things and is really up to the user to decide how to portray the message and through the use of tone, up to the listener to understand it. Originally the phrase was used to describe someone being overly upset or angry and just waiting to go off into a fit of rage. Often occurrences of this scenario play off between aggravated celebrities and the paparazzi. Through the process of evolution the meaning of the phrase has been broadened and can be used to describe just about anything.

Dude, this MKII Vee-Dub is such a pipebomb. Check out it’s slammed.

I wouldn;t go in there. Kevin is a bit of a pipebomb right now. OSU just lost.

Look dude, Bjorn is a pipebomb right now, she’s about to rip that reporter’s head off.